EPSG:19850

EPSG vertical perspective example

Attributes

Data source: EPSG

Information source: EPSG Guidance Note #7-2.

Revision date: 2007-11-01

Scope: Example only (fictitious).

Remarks: Example only.

Method: Vertical Perspective

Area of use: Not specified.

Description: (0,)

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SimpleMap
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Definition: OGC Well Known Text 2 (2019)

CONVERSION["EPSG vertical perspective example",
    METHOD["Vertical Perspective",
        ID["EPSG",9838]],
    PARAMETER["Latitude of topocentric origin",55,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8834]],
    PARAMETER["Longitude of topocentric origin",5,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8835]],
    PARAMETER["Ellipsoidal height of topocentric origin",200,
        LENGTHUNIT["metre",1],
        ID["EPSG",8836]],
    PARAMETER["Viewpoint height",5900,
        LENGTHUNIT["kilometre",1000],
        ID["EPSG",8840]],
    ID["EPSG",19850]]

Definition: ESRI Well Known Text

PROJECTION["Vertical_Near_Side_Perspective"],
PARAMETER["False_Easting",0.0],
PARAMETER["False_Northing",0.0],
PARAMETER["Longitude_Of_Center",5.0],
PARAMETER["Latitude_Of_Center",55.0],
PARAMETER["Height",5900000.0]

Definition: PROJ.4

+proj=nsper +lat_0=55 +lon_0=5 +h=5900000 +x_0=0 +y_0=0

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:19850","+proj=nsper +lat_0=55 +lon_0=5 +h=5900000 +x_0=0 +y_0=0");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "Conversion",
    "name": "EPSG vertical perspective example",
    "method": {
        "name": "Vertical Perspective",
        "id": {
            "authority": "EPSG",
            "code": 9838
        }
    },
    "parameters": [
        {
            "name": "Latitude of topocentric origin",
            "value": 55,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8834
            }
        },
        {
            "name": "Longitude of topocentric origin",
            "value": 5,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8835
            }
        },
        {
            "name": "Ellipsoidal height of topocentric origin",
            "value": 200,
            "unit": "metre",
            "id": {
                "authority": "EPSG",
                "code": 8836
            }
        },
        {
            "name": "Viewpoint height",
            "value": 5900,
            "unit": {
                "type": "LinearUnit",
                "name": "kilometre",
                "conversion_factor": 1000
            },
            "id": {
                "authority": "EPSG",
                "code": 8840
            }
        }
    ],
    "id": {
        "authority": "EPSG",
        "code": 19850
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=nsper"
	"lat_0=55"
	"lon_0=5"
	"h=5900000"
	"x_0=0"
	"y_0=0"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=nsper +lat_0=55 +lon_0=5 +h=5900000 +x_0=0 +y_0=0">
	<Layer srs="+proj=nsper +lat_0=55 +lon_0=5 +h=5900000 +x_0=0 +y_0=0">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 19850, 'EPSG', 19850, '+proj=nsper +lat_0=55 +lon_0=5 +h=5900000 +x_0=0 +y_0=0', 'None');